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Home >> GMC >> 2016 >> Terrain SL, Gas >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Object Detection System And Pedestrian Protection System >> Diagnostic Information and Procedures >> DTC B356A: Vehicle Direction Warning Switch Circuit Short to Ground >> Circuit/System Description
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Circuit/System Description

The Vehicle Direction Warning Switch DTC detects a short to ground on the circuit that contains the lane departure warning and forward collision setting switches. The lane departure warning feature is enabled and disabled through the lane departure switch located in the left steering wheel controls switch. When enabled, the frontview camera module will illuminate the indicator located in the switch. The forward collision alert distance is adjustable using the forward collision switch located in the left steering wheel controls switch. The setting is shown in the driver information center.